Why do people have baby teeth?!

Well, the main job of baby teeth is to hold a place in your mouth for your permanent teeth, or grown-up teeth!. If a baby tooth is lost too early, the teeth beside it may move into that space!. Then your permanent teeth may come in crooked or crowded!.
When a permanent tooth starts to come in, it pushes on the root of the primary tooth above it!. Your primary tooth gets loose, and soon you have a new hole in your smile!. In fact, you may be open-mouthed and looking for your latest loose tooth!.

Well what most scientists believe is that the reason why people have two sets of teeth is because in children the mouth is much smaller than in the adult and therefore, children need smaller teeth to fit in the smaller jaws!.
However, as children become larger, their muscles also become larger and stronger, and those include the muscles that close the jaws!. As these muscles gain strength they begin to be too powerful for the

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